Awesome. Just did it and you can really feel the difference. Less gas used to acell and keep the speed, doesn't shift out of overdrive on the upgrade to my house )before it used to) and even off of a stop sign, I stabbed the gas to see the power increase. Instead it lit up the tires. Before it barely would.
I'll post MPG changes soon. On a recent tank I got 17.9mpg doing about 60 miles or so street, the rest 75 on the highway with a dirtbike in the back, tailgate down.